APA(7版)引用形式
Orr, E. L., & Orr, W. N. (2012). Oregon geology (6th ed.). Oregon State University Press.
Chicagoスタイル(17版)引用形式
Orr, Elizabeth L., , William N. Orr. Oregon Geology. 6th ed. Corvallis: Oregon State University Press, 2012.
MLA(9版)引用形式
Orr, Elizabeth L., , William N. Orr. Oregon Geology. 6th ed. Oregon State University Press, 2012.
警告: この引用は必ずしも正確ではありません.